资源描述:
《OSA产品及零件简介.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、OSA產品及零件簡介MaximMaRDGroupComponent/Fiberxon1Content(1)OSA簡介(2)相關元器件介紹(3)OSA製程注意事項(4)OSA的分类2(1)OSA簡介OSA的位置Transceiver的組成1.OSA2.IC3.PCB4.殼件Transceiver的成本OSA佔TRx的成本普遍>70%3縮略語TOSA:TransmittingOpticalSub-Assembly,光发射组件ROSA:ReceivingOpticalSub-Assembly,光接收组件BOSA:Bi-DirectionalOpticalSub-Assembly,光发射接收
2、组件LD:LaserDiode,激光二极管PD:Photo-Diode,光电二极管FP:Fabry-Perot,法布里-珀罗激光二极管DFB:DistributedFeedbackLaser,分布反馈式激光二极管VCSEL:VerticalCavitySurfaceEmittingLaser,垂直腔面发射激光器PIN:PositiveIntrinsicNegative,同质PN结光电二极管APD:AvalanchePhoto-Diode,雪崩光电二极管TIA:TransimpedanceAmplifier,跨阻放大器TO-can:Akindofpackagemethodforacti
3、vecomponentOLT:OpticalLineTermination光线路终端ONU:OpticalNetworkUnit光网络单元SDH:SynchronousDigitalHierarchy,同步数字体系SONET:SynchronousOpticalNetwork,光同步网络GBE:GigabitEthernet,千兆以太网4ITU&IEEEIEEE(InstituteofElectricalandElectronic,電氣及電子工程師學會)IEEE802(IEEE802seriesofstandardsforLocalAreaNetworks,電氣及電子工程師學會802
4、系列標準)GE-PON–GigabitEthernet,1.25GbpsITU(InternationalTelecommunicationsUnion,國際電信聯盟)ITU-T(ITUTelecommunicationsStandardSector,國際電信聯盟電信標準化部門)A-PON–ATM,155MbpsB-PON–Broadband,622MbpsG-PON–Gigabit,1.25Gbps5SONET/SDHTransmissionRate6PONConceptPON(PassiveOpticalNetwork无源光网络)技术是一种点对多点的光纤传输和接入技术;下行采用广
5、播方式、上行采用时分多址方式,可以灵活地组成树型、星型、总线型等拓扑结构;在光分支点不需要节点设备,只需要安装一个简单的无源光分路器,光信号在传输过程中不再经过放大和再生,网络的分路由光分路器来实现。71550DFBVoice+Data(continuous)ONUUpstream(burst)Video(analog)PDmoduleDFBLDmoduleAPDmoduleDFBLDmodulePIN-TIALDDual-bandFWDMTri-bandFWDM1x8Splitter1x4SplitterTri-bandFWDMBOSAUpstream(burst)Video(an
6、alog)Voice+Data(continuous)1490DFB1310FPPON系統示意圖OLT81550DFBVoice+Data(continuous)ONUUpstream(burst)Video(analog)PDmoduleDFBLDmodulePIN-TIALDTri-bandFWDM1x8Splitter1x4SplitterTri-bandFWDMBOSAUpstream(burst)Video(analog)Voice+Data(continuous)1490DFB1310FPPDLDBOSA91550DFBVoice+Data(continuous)ONTU
7、pstream(burst)Video(analog)DFBLDmoduleAPDmoduleDFBLDmodulePIN-TIALDDual-bandFWDMTri-bandFWDM1x8Splitter1x4SplitterUpstream(burst)Video(analog)Voice+Data(continuous)1490DFB1310FPAnalogPDTriplexer10PON系統元件MELCOB-PONProduct11PONAppli